This homework set is meant to test out some basic math skills.
Each problem is 2 points.
1. (3x2)3 = ? (expand out)
2. (a + 2b)3 = ? (expand out)
3. Which number is bigger, 27 or 25?
4. Which number is bigger, (1/2)7 or (1/2)5?
5. 104 + 103 = ?
6. 103/105 = ?
7. ?
8. (101/3)6 = ?
9. 3x + 2 = 5. Solve for x.
10. 3x + 2y = 5, and 2x + y = 3. Solve for x and y.
11. Which of the following points (x,y) is NOT on the curve determined by the equation:
a) (0,1) b) (1,2) c) (2,1/5) d) (3,1/10)
12. ?
a) -(x + 2)/3 b) /3 c) x + 2/3 d) /3
[Hint: Replace by y]
13. What is the range of x for which (x2 - 9x) 0?
a) x -9 b) x 9 c) 0 x 9 d) x 0, and x 9